Definition: to laugh/shout/scream, etc. very much and very loudly Level: C2
孩子们看那个搞笑视频时笑得前仰后合。
The kids were ___laughing ___their ___heads ___off at the funny video.
其他学生在她离开时笑得前仰后合。
Other pupils were ___laughing ___their ___heads ___off as she went.
当他们的队伍打入制胜一球时,球迷们大声欢呼。
The fans ___shouted ___their ___heads ___off when their team scored the winning goal.